Invented by French-American Frank Lambert and patented in 1884, the Lambert typewriter features a circular keyboard connected to a disk with alphanumeric characters. When users pushed a key, the disk swiveled to the correct spot, applied force and imprinted the letter. Paper curled around the roller as the typist continued. The first Lambert model, which became available to consumers in 1902, is the only typewriter with a single dial-and-swivel keyboard all in one piece. This third iteration features a larger carriage.
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